Borrowed Funds and Subordinated Debt - Narrative (Details) - USD ($) $ in Thousands |
1 Months Ended | 12 Months Ended | |||
|---|---|---|---|---|---|
Jul. 07, 2020 |
Jan. 31, 2015 |
Dec. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
|
| Debt Instrument [Line Items] | |||||
| Maximum FHLB and other borrowings outstanding at any month end | $ 8,600 | $ 96,200 | $ 96,200 | ||
| Subordinated debt | 58,979 | 73,744 | 14,872 | ||
| Loss on extinguishment of subordinated debt | 713 | $ 0 | $ 0 | ||
| Fixed-to Floating Rate Subordinated Notes | |||||
| Debt Instrument [Line Items] | |||||
| Subordinated debt | $ 60,000 | $ 15,000 | |||
| Subordinated debt, term | 10 years | 15 years | |||
| Subordinated debt, rate | 5.25% | ||||
| Original debt issuance costs | $ 1,200 | ||||
| Loss on extinguishment of subordinated debt | $ 713 | ||||
| Prepayment penalties | 600 | ||||
| Unamortized issuance costs | $ 113 | ||||
| Line of credit | FHLB | |||||
| Debt Instrument [Line Items] | |||||
| Remaining borrowing capacity at FHLB | 790,000 | ||||
| Line of credit | Federal Reserve Bank of Boston | Federal Reserve Bank Discount Window | |||||
| Debt Instrument [Line Items] | |||||
| Current borrowing capacity at FRB | $ 350,000 | ||||